Home / 30,774,992.40-46,162,488.60-12,821,763.60

Finding the Fourth Proportional to 30,774,992.40, 46,162,488.60 and 12,821,763.60

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Solution

The fourth proportional to 30,774,992.40, 46,162,488.60 and 12,821,763.60 is: 19,232,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,774,992.40 : 46,162,488.60 = 12,821,763.60 : x
  2. Step 2: Convert to fraction form
    30,774,992.40/46,162,488.60 = 12,821,763.60/x
  3. Step 3: Cross multiply
    30,774,992.40x = 46,162,488.60 × 12,821,763.60
  4. Step 4: Simplify right side
    30,774,992.40x = 591,884,516,016,895
  5. Step 5: Solve for x
    x = 591,884,516,016,895/30,774,992.40
  6. Step 6: Final answer
    x = 19,232,645.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.